overhead

名词 overhead:

1. the expense of maintaining property (e.g., paying property taxes and utilities and insurance); it does not include depreciation or the cost of financing or income taxes
   同义词：operating expense, operating cost, budget items
2. (computer science) the processing time required by a device prior to the execution of a command
   同义词：command processing overhead time, command processing overhead, command overhead
3. (computer science) the disk space required for information that is not data but is used for location and timing
   同义词：disk overhead
4. a transparency for use with an overhead projector
   同义词：viewgraph
5. (nautical) the top surface of an enclosed space on a ship
6. a hard return hitting the tennis ball above your head
   同义词：smash

形容词 overhead:

1. located or originating from above

副词 overhead:

1. above your head; in the sky
2. above the head; over the head

1. An eagle circled high overhead.
   一只鹰在高空盘旋。
2. The trolley bus picks up current from an overhead wire.
   无轨电车的电能是通过架空线供给的。
3. An aeroplane droned overhead.
   一架飞机在头上嗡嗡飞过。
4. The hawk is hovering overhead.
   鹰在头顶上盘旋。
5. Overhead the stars were out.
   天上星星出来了。
6. The overhead costs are ridiculously expensive.
   日常开支太高了。
7. Seagulls were circling overhead.
   海鸥在头顶山盘旋。
8. Their office is in central Beijing, so their overhead is very high.
   他们的办事处设在北京市中心，所以他们的日常开支很大。